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Finding the Fourth Proportional to 1,009.42, 1,514.22 and 599.02

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Solution

The fourth proportional to 1,009.42, 1,514.22 and 599.02 is: 898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009.42 : 1,514.22 = 599.02 : x
  2. Step 2: Convert to fraction form
    1,009.42/1,514.22 = 599.02/x
  3. Step 3: Cross multiply
    1,009.42x = 1,514.22 × 599.02
  4. Step 4: Simplify right side
    1,009.42x = 907,048.06
  5. Step 5: Solve for x
    x = 907,048.06/1,009.42
  6. Step 6: Final answer
    x = 898.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.